It is not uncommon for individuals who have problems with a psychological issue to also be plagued by a co-occurring alcohol and drug abuse issue. In fact, it is more common than one would imagine and quite a few people presently in drug and alcohol rehab programs in Irwin may have mental health disorders which are often undiagnosed. Rehabilitation specialists at successful alcohol and drug treatment centers in Irwin know how to identify individuals with co-occurring psychological and drug and alcohol abuse disorders in hopes that both concerns can be handled simultaneously while the individual is in treatment. Because both need to be addressed, the client must remain in rehab until they are mentally stable, not just abstinent.